Buffer Overflow in SonicWall SMA Appliances
CVE-2021-20045

9.8CRITICAL

Key Information:

Vendor
Sonicwall
Status
Sonicwall Sma100
Vendor
CVE Published:
8 December 2021

Summary

A buffer overflow vulnerability exists within the SMA100 sonicfiles RAC_COPY_TO method, which could allow an unauthenticated remote attacker to execute arbitrary code within the context of the 'nobody' user on the device. This security flaw impacts SMA 200, 210, 400, 410, and 500v appliances, potentially leading to unauthorized control of the affected systems.

Affected Version(s)

SonicWall SMA100 10.2.0.8-37sv and earlier

SonicWall SMA100 10.2.1.1-19sv and earlier

SonicWall SMA100 10.2.1.2-24sv and earlier

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-202...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.